$OpenBSD: patch-xantfarm_c,v 1.1 2007/10/26 20:44:07 jasper Exp $
--- xantfarm.c.orig	Sun Nov 12 04:15:15 1995
+++ xantfarm.c	Fri Oct 26 22:39:40 2007
@@ -117,12 +117,13 @@ typedef struct falling_sand_struct {
 
 
 /* Externals. */
-
+#ifndef __OpenBSD__
 extern char* getenv();
 extern char* malloc();
 extern long random();
 extern char* realloc();
 extern long time();
+#endif
 
 
 /* Forward routines. */
@@ -404,7 +405,11 @@ usage:
 	}
 
     /* Initialize the random number generator. */
+#ifndef __OpenBSD__
     srandom( (int) ( time( (long*) 0 ) ^ getpid() ) );
+#else
+    srandom( (int) ( time( (time_t*) 0 ) ^ getpid() ) );
+#endif
 
     /* Create the ant world. */
     ant_init();
@@ -626,18 +631,18 @@ x_init_rdb( argcP, argv )
 	char buf[500];
 
 	cp = getenv( "HOME" );
-	if ( cp != (char*) 0 )
+	if ( cp != NULL )
 	    (void) strcpy( buf, cp );
 	else
 	    {
 	    struct passwd* pw;
 
 	    cp = getenv( "USER" );
-	    if ( cp != (char*) 0 )
+	    if ( cp != NULL )
 		pw = getpwnam( cp );
 	    else
 		pw = getpwuid( getuid() );
-	    if ( pw != (struct passwd*) 0 )
+	    if ( pw != NULL )
 		(void) strcpy( buf, pw->pw_dir );
 	    else
 		(void) strcpy( buf, "." );	/* best we can do */
@@ -648,7 +653,7 @@ x_init_rdb( argcP, argv )
 
     /* Merge in XENVIRONMENT, if any. */
     xenv = getenv( "XENVIRONMENT" );
-    if ( xenv != (char*) 0 )
+    if ( xenv != NULL )
 	{
 	XrmDatabase tdb;
 
@@ -1539,7 +1544,7 @@ read_world( cf )
     char* cf;
     {
     FILE* cfP;
-    char* buf[500];
+    char buf[500];
     int w, h, x, y, c;
 
     cfP = fopen( cf, "r" );
